AK9720 Datasheet, PDF (8/31 Pages) Asahi Kasei Microsystems – IR Sensor Module with I2C I/F

[AK9720]
Power Supply Conditions
AC Characteristics (1)
Parameter Symbol Min. Typ. Max. Unit Pin
Note
Power Supply
PSUP1
Rise Time
Time until VDD pin is
50 ms VDD set to V_DD from 0.2V
*1 *2
Time until AK9720
Power-on
PORT1
Reset Time
300 µs
becomes Power down
Mode after PSUP
*1, *2
Shutdown
Voltage
SDV1
Shutdown Voltage for
0.2 V VDD POR re-starting
*2
Voltage retention time
Power Supply
PSINT1 300
Interval Time
below SDV1 for POR
µs VDD
re-starting
*1 *2
*1 Reference data only, not tested
*2 Power-on Reset circuit detects the rising edge of VDD, resets the internal circuit, and
initializes the register. After Power-on reset, Power down Mode is selected.
PORT1: 300µs ^{Power down Mode}
V_DD
Power down Mode
SDV1: 0.2V
0V
PSUP1: 50ms
PSINT1:300µs
Rev.02
AKM Confidential
-8-
2012/11